Finding the Fourth Proportional to 1,190,394.24, 1,642,488.48 and 707,122.32
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Solution
The fourth proportional to 1,190,394.24, 1,642,488.48 and 707,122.32 is: 975,676.99
Step by Step Solution
- Step 1: Write the proportion equation
1,190,394.24 : 1,642,488.48 = 707,122.32 : x - Step 2: Convert to fraction form
1,190,394.24/1,642,488.48 = 707,122.32/x - Step 3: Cross multiply
1,190,394.24x = 1,642,488.48 × 707,122.32 - Step 4: Simplify right side
1,190,394.24x = 1,161,440,264,550.87 - Step 5: Solve for x
x = 1,161,440,264,550.87/1,190,394.24 - Step 6: Final answer
x = 975,676.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.